[CentOS] Re: Anaconda doesn't support raid10
Ruslan Sivak
rsivak at istandfor.com
Wed May 9 16:48:33 UTC 2007
Feizhou wrote:
>
>>>> What advantages, if any, would lvm have over this set up?
>>>
>>> How about flexible filesystem resizing? If you did it the way I
>>> suggested: 512MB /boot, 512MB /tmp, you have like 960GB of space to
>>> carve anyway you like. You also get lvm snapshots which you won't
>>> get with raid seeing that this is supposed to be a backup server too.
>>
>> Yea, I think for these reasons I will use lvm. I have set up a
>> system as follows:
>>
>> /boot raid 1 200mb 4 drives no spares (I guess this makes 4 copies of
>> the data?)
>
> You have four disks which will be paired into two pairs. If one pair
> goes, everything goes. Might as well use one pair for /boot and the
> other for /tmp.
>
I'm not quite sure I understand? This is raid1, not raid10. While I'm
not sure exactly how raid1 works with 4 drives, I'm assuming everything
is a copy of a copy of a copy...
So how would 2 drives going out kill the whole raid1 device?
Russ
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